NEED 2007 CHEVY MALIBU RADIO CODE

I just got the code for my radio by calling 1-800-537-5140 and choosing the option for my vehicle make. 1 for chevrolet. then i entered 106010 for the customer # and then entered my serial # from the stereo and it gave me a lock code for free. Now i am just trying to figure out how to enter it since my manual tells me to take it to the dealership. Now that you have your 4 to 6 digit code, you can enter it by following the these steps. 1. Make sure your ignition is in the "on" position, but no started. 2. Press/Hold the "HR" button to set the first 2 or 3 numbers. 3. Press/Hold the "Min" button to set the next 2/3 numbers. 4. Press the AM/FM button one time. "SEC" should be displayed. You can now turn the radio on. Good luck!